The dot plots show the numbers of adult books purchased by customers at two different bookstores on one day

Which statement is supported by the dot plots?

Pls explain!!!

Answer:

Since 2√7 = 5.29, move the circle over to the third dash after the five.

Step-by-step explanation:

Since 2√7 = 5.29, move the circle over to the third dash after the five.

9514 1404 393

Answer:

  x = {2π/3, 4π/3}

Step-by-step explanation:

The equation can be factored as ...

  (cos(x) +3)(2cos(x) +1) = 0

The solutions are the values of x where the factors are zero.

  cos(x) +3 = 0

  cos(x) = -3 . . . . . . no real solution

__

  2cos(x) +1 = 0

  cos(x) = -1/2

  x = arccos(-1/2) = 2π/3

The other solution in the desired interval is ...

  x = 2π -(2π/3) = 4π/3

The solutions are x∈ {2π/3, 4π/3}.

9514 1404 393

Answer:

 46 yd

Step-by-step explanation:

The sum of horizontal lengths across the top is 8+6 = 14 yd. The length across the bottom is the same, so the total of horizontal lengths is

  14 yd +14 yd = 28 yd

The sum of vertical lengths at the right is the same as the sum of vertical lengths at the left, 9 yd, so the total of vertical lengths is ...

  9 yd + 9 yd = 18 yd

The total of all lengths around the perimeter of the figure is ...

  28 yd + 18 yd = 46 yd

Answer:

2 times

Step-by-step explanation:

Khan Academy

You can use the formula for margin of error and the fact that the point estimates of both the samples are same to calculate the ratio of margin of errors of both the samples.

The margin of error from the smaller sample will be about double of the margin of error from the larger sample.

[tex]MOE_1 = 2 \times MOE_2[/tex]

Let the level of significance be [tex]\alpha[/tex] and the standard deviation of the population be [tex]\sigma[/tex] and the sample size be n, then we have:

[tex]\text{MOE(Margin of Error)} = Z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}[/tex]

For first sample :

[tex]\text{Sample size} = n_1 = 1000\\\\MOE_1 = Z_{\alpha/2}\dfrac{\sigma}{\sqrt{1000}}[/tex]

For second sample :
[tex]\text{Sample size} = n_1 = 1000\\\\MOE_2 = Z_{\alpha/2}\dfrac{\sigma}{\sqrt{4000}}[/tex]

(since it was given that they have same point estimates, so same standard deviation)

Their ratios are given by

[tex]\dfrac{MOE_2}{MOE_1} = \dfrac{Z_{\alpha/2}\dfrac{\sigma}{\sqrt{4000}}}{Z_{\alpha/2}\dfrac{\sigma}{\sqrt{1000}}} = \sqrt{\dfrac{1000}{4000}} = \dfrac{1}{2}\\\\\\MOE_1 = 2 \times MOE_2[/tex]

Thus,

The margin of error from the smaller sample will be about double of the margin of error from the larger sample.[tex]MOE_1 = 2 \times MOE_2[/tex]

Learn more about margin of error here:

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Answer:

C) 2

Step-by-step explanation:

Emma: Range  = 8

Arianna: Range = 6

The difference in the range is 2 (8-6)

Answer:

C) 2

Step-by-step explanation:

Emma:

Max = 20

Min = 12

Range = 20 - 12

Range = 8

Arianna:

Max = 18

Min = 12

Range = 18 - 12

Range = 6

Difference between the 2 ranges:

8 - 6 = 2

Answer:

in my panies

Step-by-step explanation:

Answer:

Pyramid on the left

Step-by-step explanation:

It has bigger measurements and looks much bigger and wider than the one on the right.

Answer:

20 - 6x = 4x - 15

35 - 6x = 4x

35 = 2x

x = 15.5

The solution to the equation 20 - 6x = 4x -15 is x = 3.5.

To solve the equation 20 - 6x = 4x - 15,

20 - 6x = 4x - 15

To isolate the variable terms on one side,  add 6x to both sides:

20 - 6x + 6x = 4x - 15 + 6x

20 = 10x - 15

Next, add 15 to both sides to further isolate the variable term:

20 + 15 = 10x - 15 + 15

35 = 10x

Finally, divide both sides by 10 to solve for x:

35/10 = 10x/10

3.5 = x

Therefore, the solution to the equation is x = 3.5.

Learn more about Equation here:

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#SPJ6

Answer:

.0046, if you mean the -3 to be an exponent

Step-by-step explanation:

Answer:

[tex]\frac{1}{216}[/tex]

Step-by-step explanation:

If you have any questions feel free to ask in the comments

Answer:

131

Step-by-step explanation:

Sorry but I am not conform to this answer

Answer:

3

Step-by-step explanation:

Answer:

A. 6+24p

Step-by-step explanation:

=(3)(2+8p)

=(3)(2)+(3)(8p)

=6+24p

=24p+6

Step-by-step explanation:

Arc AD = 70

< D = 98

So

Arc BC = 2 * < D ( relation between arc and inscribed angle)

= 2 * 98

= 196

Hope it will help :)❤

Answer:

Step-by-step explanation:

[tex]x=\frac{D_{1}}{D} \\y=\frac{D_{2}}{D}[/tex]

Answer:

Diagonal length = 8.59

Step-by-step explanation:

To find the diagonal length, we need the length of the sides. We find the length of the sides by finding the square root of 36, which is 6. Then, we use this equation (see attached image)

Answer:

the answer is 29.7

Step-by-step explanation:

inverse tangent of (4/7)

Answer:

the answer is 8

Step-by-step explanation:

the expression is written as (n/2 - 6)+ 10

therefore when n=8..

(8/2 - 6) + 10

we now have, (4-6)+10

(-2)+10=8...

Answer:

[tex]y=-5x+7[/tex]

Answer:

1.) up

2.) (-2,-5)

3.) x = -2

4.) (-2,-5)

5.) y = -5

6.) -∞ < x < ∞

7.) -5 < y < ∞

8.) (0,0)

9.) (0,0) and (-4,0)

10.) two solutions

Step-by-step explanation:

1.) because the parabola opens upward and the vertex is down

2.) the lowest point of the parabola is (-2,-5)

3.) If a line was drawn through the point x = -2, the two halves of the parabola would look symmetrical ( the same on both sides).

4.) The minimum point on the graph is ( -2,-5), because that is the lowest point on this upward parabola, and we can not determine the maximum.

5.) The minimum value of y is y = -5, because that is the lowest value of y on this graph, and we can not determine the maximum.

6.) Because the arms of the parabola continue traveling through negative infinity and positive infinity on the x-axis, the domain is -∞ < x < ∞.

7.) The arms of the parabola go from y = -5 to infinity, so the range of the parabola is -5 < y < ∞.

8.) The parabola first crosses the y-axis at the point (0,0)

9.) The parabola first crosses the x-axis at the points (0,0) and (-4,0)

10,) The solution to the parabola is the variable x. The solutions (x intercepts) of the parabola are x = 0 and x = -4.

Does this help you?

Answer:

(36/4)-(36/9)=5

(8*3)-12=12

Answer:

(36÷4) - (36÷9) = 5

(8x3) - 12 = 12

Answer:

The copy machine makes 32 copies per minute.

Step-by-step explanation:

Given that a copy machine makes 136 copies in 4 minutes and 15 seconds, to determine how many copies does it make per minute, the following calculation must be performed:

15 seconds = 0.25 minutes

136 / 4.25 = X

32 = X

Therefore, the copy machine makes 32 copies per minute.

Answer:

c

Step-by-step explanation:

trust me i am did the test aredy

Answer:

I dont know can u explaining more

Step-by-step explanation:

its not clear too much

Answer:

-25p

Step-by-step explanation:

Answer:

x≥500+70

Step-by-step explanation:

B

Step-by-step explanation:

In a year, offer B would be more. Since annually is once a year and there are 12 months in a year, multiplying B by 12 would get each to a year.